Spanning 2,000 years of history told by three modern-day Arabian citizens, IMAX film ARABIA travels to the exotic and fascinating land to explore the ancient tombs of a lost city, dive through the reefs of the Red Sea, and experience the Hajj, the largest gathering of people of Earth. Through July 29. Free-$13. Mon.-Sat., 11 a.m., 1, 3 and 5 p.m.; Fri., 7 and 9 p.m.; Sun., 1, 3 and 5 p.m. Fernbank Museum, 767 Clifton Road. 404-929-6400. www.fernbankmuseum.org.